Volvo S40 owners have reported 3 problems related to front air bag sensor control (under the air bag category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Volvo S40 based on all problems reported for the S40.
The vehicle has the following intermittent electrical problems. Dashboard, radio, climate controls turn-off by themselves. Wipers activate by themselves. Srs warnings are displayed. Fuel door button does not activate. Ignition will not active so car will not start.
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all problems of the 2004 Volvo S40
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Consumer complained about electrical problems. The windshield wipers suddenly cut on and off at times; the power windows and doors did not work, and gas gauge always showed that vehicle had no fuel. Also, airbag light came on. Finally, the trunk did not open.
I am reporting this incident because the front driver and passenger airbags fully deployed when the undercarriage of the car and right front tire struck pavement at approx. 45 miles per hour. The car did not stop, and the driver had to manually beat the airbags back with his hands to see and bring the car to a stop. This incident was reported to Volvo USA, they removed the sensors for investigation, then reported back to me in writing that they operated normally, and that there was sufficient impact to the undercarriage to cause deployment. I disagree, and feel that the car is unsafe to drive. Either the design of the S40 or it's sensors are defective. Everyone that saw the car after the incident was very surprised that the airbags deployed at all, since there was no collision involved -- damage to the outside body of the car was minor. All damage was to the undercarriage and interior (due to the airbags). Had there been any cars traveling in the opposite direction, very serious injury would have resulted since the driver was blinded and would have only had the protection of already deflating airbags had a head on collision occured with another vehicle. I have all documentation reported to Volvo, and their written response.
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all problems of the 2001 Volvo S40
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| Problem Category | Number of Problems |
|---|---|
| Air Bag Not Deploy problems | |
| Air Bag problems | |
| Warning Light On problems | |
| Air Bag Light On problems | |
| Side/window Air Bag problems | |
| Front Air Bag Sensor Control problems | |
| Front Air Bag problems | |
| Air Bag On-off Switch problems |